This video has been shown at internal Microsoft events a few times. It always draws a great response from the audience, followed by internal email aliases flooded for days with requests for a link or high bandwidth version. I finally found it on MSN Soapbox and YouTube (thanks to whoever posted it there). It shows a whole bunch of Microsoft consumer technologies working together in this average guy's "digital lifestyle". Most Microsoft products featured in this video, including Windows Mobile, Zune, XBOX 360, and Windows Media Center fall under the Entertainment & Devices (E&D) division, arguably the best division to work at within Microsoft (biased personal opinion). Come work here!
The soundtrack in this video is very catchy too, and I've seen just as many requests from people asking about the song and band. The song is called "Girl From Mars", and it is covered by a band named Magneta Lane. I'm not sure but they might have done some private/promotional work for Microsoft because I can't find the track associated with Magneta Lane anywhere else. The original song was released in 1995 by a band named Ash from their album named "1977". Watch the original Ash version on YouTube or check out the Wikipedia entry if you like the song.
(update) p.s. I don't know where the green jacket is from. Banana Republic maybe?